A controversial memorial at the place where Captain Cook met his violent end.

These ancient sacred grounds granted amnesty to those who managed to reach them.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

A beach made of semi-precious green sand on the Big Island of Hawaiʻi.

This black shoreline is made up of exploded lava particles.

Get up close and personal with these majestic fish.

This unusual lava tube spouts seawater during high surf.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

This historic fort spans more the 300 years.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Take a drunken tour inside the world's largest known geode.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

Deep scars on the earth left by the Ice Age.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

A Northwoods sporting competition that shows lumber jacks doing much more than cutting down trees.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This shallow cave got its name from copious amount of human bones found inside.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.